T-Mobile (TMUS) chief business officer sells 5,000 shares in open market

Rhea-AI Filing Summary

T-Mobile US, Inc. Chief Business and Product Officer Michael J. Katz sold 5,000 shares of common stock in an open-market transaction. The weighted average sale price was about $195.81 per share across trades between $195.74 and $196.115. After this sale, he directly holds 181,930.481 shares.

Insider Trade Summary

Net Seller: 5,000 shares ($979,050)

Net Sell 1 txn

Insider Katz Michael J.

Role Chief Bus. and Prod. Officer

Sold 5,000 shs ($979K)

Type	Security	Shares	Price	Value
Sale	Common Stock	5,000	$195.81	$979K

Holdings After Transaction: Common Stock — 181,930.481 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares sold: 5,000 shares Weighted average sale price: $195.81 per share Shares held after transaction: 181,930.481 shares +2 more

5 metrics

Shares sold 5,000 shares Open-market sale of common stock on 2026-05-01

Weighted average sale price $195.81 per share Average across multiple trades between $195.74 and $196.115

Shares held after transaction 181,930.481 shares Direct ownership following the sale

Sale price range low $195.74 per share Lowest price reported for individual trades in the sale

Sale price range high $196.115 per share Highest price reported for individual trades in the sale

Key Terms

Form 4, open-market sale, weighted average sale price, Common Stock, +1 more

5 terms

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

weighted average sale price financial

"The price reported in Column 4 is a weighted average sale price."

Common Stock financial

""security_title": "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

transaction code "S" regulatory

""transaction_code": "S""

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Katz Michael J.

(Last) (First) (Middle)

C/O T-MOBILE US, INC.

12920 SE 38TH STREET

(Street)

BELLEVUE WASHINGTON 98006

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
T-Mobile US, Inc. [ TMUS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Bus. and Prod. Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/01/2026		S		5,000	D	$195.81(1)	181,930.481	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $195.74 to $196.115. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the range set forth on this footnote.

Remarks:

	/s/ Frederick Williams, Attorney-in-Fact	05/04/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did T-Mobile (TMUS) executive Michael J. Katz do in this Form 4 filing?

Michael J. Katz, Chief Business and Product Officer at T-Mobile US, Inc., reported selling 5,000 shares of common stock in an open-market transaction. The sale was executed at a weighted average price of about $195.81 per share.

How many T-Mobile (TMUS) shares did Michael J. Katz sell and at what price?

Michael J. Katz sold 5,000 shares of T-Mobile common stock. The reported weighted average sale price was $195.81 per share, with individual trades occurring between $195.74 and $196.115 according to the filing footnote.

How many T-Mobile (TMUS) shares does Michael J. Katz hold after this transaction?

Following the reported sale, Michael J. Katz directly holds 181,930.481 shares of T-Mobile US common stock. This figure reflects his remaining direct ownership after disposing of the 5,000 shares in the open-market transaction.

Was the T-Mobile (TMUS) insider sale by Michael J. Katz a market transaction?

Yes. The Form 4 describes the transaction as an open-market sale of common stock, coded “S” for a sale in the open market or private transaction. The shares were sold in multiple trades within a narrow price range.

What does the weighted average price mean in this T-Mobile (TMUS) Form 4?

The filing states the $195.81 price is a weighted average across several trades between $195.74 and $196.115. Katz undertakes to provide detailed breakdowns of shares sold at each individual price upon request to interested parties.